Go Import usage

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Import "FMT" one of the most commonly used forms

Import "./test" imports the contents of the test package in the same directory

Import F "FMT" into the FMT and give him a start alias F

Import. "FMT", enable the FMT alias "." So that you can use its content directly without adding FMT, such as FMT. Println can be written directly println

The import _ "FMT" means that the package is not used, but only the INIT function that uses the package does not display other content that uses the package. Note: This form of import, when import executes the Init function in the FMT package, is not able to use other functions of the package.